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CMSProvider performanceUpdated 2026-04-30

Open Payments

Financial transfers from manufacturers to physicians and teaching hospitals. Source: Centers for Medicare & Medicaid Services · 2026-04-30

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351,422
physician records
As of 2026-04-30
CMS · 2026-04-30
2023–2026
Temporal coverage
Refreshed annual
CMS · 2026-04-30
Practitioner
FHIR resource
FHIR R4 · open-payments/v1
Fonteum methodology

FHIR Practitioner · Sample record

What a record looks like in the API response.

Sample record
{
  "resourceType": "Practitioner",
  "id": "prac-1234567890",
  "_source": "cms-open-payments",
  "_methodology": "open-payments/v1",
  "identifier": [{ "system": "http://hl7.org/fhir/sid/us-npi", "value": "1234567890" }]
}

Every record carries _source, _methodology, a snapshot date, and a confidence tier. All fourteen provenance fields survive export and API delivery.

cURL
curl -H "Authorization: Bearer $FONTEUM_KEY" \
  "https://api.fonteum.com/fhir/r4/Practitioner?_source=open-payments" \
  | jq '._source, ._methodology, .meta.tag'

Dataset facts

Dataset facts for Open Payments
FieldValue
AgencyCenters for Medicare & Medicaid ServicesCMS · 2026-04-30
CategoryProvider performance
Records351,422 physician recordsCMS · 2026-04-30
Temporal coverage2023–2026
Refresh cadenceAnnual
Freshness SLAWithin 48h of annual CMS release
Last synced2026-04-30Updated 2026-04-30
FHIR resourcePractitioner
Methodologyopen-payments/v1
MeasuredPayment amounts, nature, and payer/recipient identity per CMS Open Payments disclosure
Upstream sourceopenpaymentsdata.cms.gov →

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How to reach this dataset.

API access is operator-approved during the pilot. Reviewed within one business day. No charge during the pilot period.

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Related · Provider performance

CMS
QPP Individual Scores →

Individual clinician performance scores from the Quality Payment Program.

CMS
PECOS Ordering & Referring →

Medicare enrollment status for providers eligible to order and refer services.

CMS
Medicare Shared Savings Program ACO Participants →

Medicare Shared Savings Program accountable care organization participants — ACO legal business names and participation by performance year.

Browse all datasets →

Citations

  1. Centers for Medicare & Medicaid Services — Open Payments (upstream source)
  2. Fonteum methodology (open-payments/v1)
  3. Editorial & licensing policy

The substrate, by the numbers

9.2Mgraph entitiesProviders, organizations, owners, and facilities
12.5Mlinked identifiersNPIs, CCNs, LEIs and more, resolved to entities
4.7Mgraph edgesSource-attested relationships between entities
44federal source familiesDistinct CMS, OIG, HRSA, FDA and peer datasets
33dataset pagesCitable, downloadable /data catalog pages
49reproducible studiesEach shipping the SQL behind its figures

Built on the authoritative federal record

The primary sources, named on every page.

These are the federal agencies whose public datasets Fonteum ingests and attributes — the issuing authorities, not customers or partners. Every figure on the site links back to one of them.

  • CMS
  • HHS-OIG
  • HRSA
  • FDA
  • NLM
  • NUCC
  • Census
  • BLS
  • BEA

See the full source registry, with license and refresh cadence for each →

Reproducible by design

Every figure traces to its federal source.

14-tuple provenance

Every rendered fact ties to a source URL, dataset ID, snapshot date, row key, and SHA-256 — the full chain-of-custody record.

Reproducible SQL

Each study ships the exact query behind its figures, run against the cited federal snapshot. Re-run it yourself.

Daily reconciliation

Published counts are reconciled against the upstream federal datasets on a daily cadence, with drift logged.

Named medical review

Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

Read the full provenance and attestation methodology →

Two doors

Use the free API and open data

Query providers, facilities, sanctions, and quality scores — each field carrying its federal source. Self-serve, no call to start.

Explore the API →Browse the data catalog →

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Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

© 2026 Fonteum LLC. All rights reserved.

The U.S. healthcare graph AI can cite — every fact carries its source.

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